This changes the base clipboard class.

chrome/views/text_field.cc

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/views/text_field.h"
 
 #include <atlbase.h>
 #include <atlapp.h>
 #include <atlcrack.h>
 #include <atlctrls.h>
@@ skipping 743 matching lines @@
   tracking_double_click_ = false;
   SetMsgHandled(false);
 }
 
 void TextField::Edit::OnPaste() {
   if (parent_->IsReadOnly())
     return;
 
   ClipboardService* clipboard = g_browser_process->clipboard_service();
 
-  if (!clipboard->IsFormatAvailable(CF_UNICODETEXT))
+  if (!clipboard->IsFormatAvailable(Clipboard::GetPlainTextWFormatType()))
     return;
 
   std::wstring clipboard_str;
   clipboard->ReadText(&clipboard_str);
   if (!clipboard_str.empty()) {
     std::wstring collapsed(CollapseWhitespace(clipboard_str, false));
     if (parent_->GetStyle() & STYLE_LOWERCASE)
       collapsed = l10n_util::ToLower(collapsed);
     ReplaceSel(collapsed.c_str(), true);
   }
@@ skipping 340 matching lines @@
 
   COLORREF bg_color;
   if (!use_default_background_color_)
     bg_color = skia::SkColorToCOLORREF(background_color_);
   else
     bg_color = GetSysColor(read_only_ ? COLOR_3DFACE : COLOR_WINDOW);
   edit_->SetBackgroundColor(bg_color);
 }
 
 }  // namespace views